参数资料
型号: MPC5553EVBISYS
厂商: Freescale Semiconductor
文件页数: 41/68页
文件大小: 0K
描述: KIT EVAL ISYSTEMS MPC5553
标准包装: 1
类型: 微控制器
适用于相关产品: MPC5553
所含物品: 评估板和演示软件
相关产品: MPC5553MZQ132-ND - IC MCU MPC5553 REV A 324-PBGA
MPC5553MZP132-ND - IC MCU MPC5553 REV A 416-PBGA
MPC5553 Microcontroller Data Sheet, Rev. 4
Electrical Characteristics
Freescale Semiconductor
46
3.14
Fast Ethernet AC Timing Specifications
Media Independent Interface (MII) Fast Ethernet Controller (FEC) signals use transistor-to-transistor logic
(TTL) signal levels compatible with devices operating at 3.3 V. The timing specifications for the MII FEC
signals are independent of the system clock frequency (part speed designation).
3.14.1
MII FEC Receive Signal Timing
FEC_RXD[3:0], FEC_RX_DV, FEC_RX_ER, and FEC_RX_CLK
The receive functions correctly up to an FEC_RX_CLK maximum frequency of 25 MHz plus one percent.
There is no minimum frequency requirement. The processor clock frequency must exceed four times the
FEC_RX_CLK frequency.
Table 28 lists MII FEC receive channel timings.
Figure 28 shows MII FEC receive signal timings listed in Table 28.
Figure 28. MII FEC Receive Signal Timing Diagram
Table 28. MII FEC Receive Signal Timing
Spec
Characteristic
Min.
Max
Unit
1
FEC_RXD[3:0], FEC_RX_DV, FEC_RX_ER to FEC_RX_CLK setup
5
ns
2
FEC_RX_CLK to FEC_RXD[3:0], FEC_RX_DV, FEC_RX_ER hold
5
ns
3
FEC_RX_CLK pulse-width high
35%
65%
FEC_RX_CLK period
4
FEC_RX_CLK pulse-width low
35%
65%
FEC_RX_CLK period
1
2
FEC_RX_CLK (input)
FEC_RXD[3:0] (inputs)
FEC_RX_DV
FEC_RX_ER
3
4
相关PDF资料
PDF描述
MPC5554EVB BOARD EVALUATION MPC5554
MAX6440UTMRRD3+T IC BATTERY MON SNGL SOT23-6
MAX6440UTLSYD3+T IC BATTERY MON SNGL SOT23-6
MPC5553EVBGHS KIT EVAL GREEN HILLS SOFTWARE
MPC5553EVB KIT EVAL MPC5553MZP132
相关代理商/技术参数
参数描述
MPC5553MVF112 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontroller
MPC5553MVF112R2 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontroller
MPC5553MVF132 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontroller
MPC5553MVF132R2 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontroller
MPC5553MVF80 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontroller